32 GPSMAP® 4000/5000 Series Owner’s ManualNavigation• Guide to—uses BlueChart g2 Vision Chart data to suggest the best path to your destination using AutoGuidance. You must be using a BlueChart g2 Vision data card for this option to appear.Setting and Following a Direct Course Using Go To CAUTIONWhen using Go To, a direct course and a corrected course may pass over land or shallow water. Use visualsightings and steer to avoid land, shallow water, and other dangerous objects.You can set and follow a direct course from your current location to a selected destination.1. Select a destination using a chart or Where To? (page 31).2. Select Navigate to > Go to.A magenta line appears. In the center or the magenta line is a thinner purple line that represents thecorrected course from your current location to the destination. The corrected course is dynamic, and itmoves with your boat when you are off course.3. Follow the magenta line, steering to avoid land, shallow water, and other obstacles.Note: If you are off course, follow the purple line (corrected course) to go to your destination, or steerback to the magenta line (direct course).Creating and Following a New Route Using Route ToSee “Creating and Navigating a Route from Your Present Location” (page 34).Following a Saved Route Using Route ToSee “Browsing for and Navigating a Saved Route” (page 40).Setting and Following a Course Using Auto Guidance CAUTIONThe Auto Guidance feature of the BlueChart g2 Vision data card is based on electronic chart information. Thatdata does not ensure obstacle and bottom clearance. Carefully compare the course to all visual sightings andavoid any land, shallow water, or other obstacles that may be in your path.1. Select a destination using a chart or Where To? (page 31).2. Select Navigate to > Guide to.3. Review the course indicated by the magenta Auto Guidance line.Note: A gray line within any part of the magenta line indicates that Auto Guidance cannot calculate partof the Auto Guidance line. This is due to the minimum safe water depth and the minimum safe obstacleheight settings (page 53).4. Follow the magenta line, steering to avoid land, shallow water, and other obstacles.WaypointsYou can store up to 5000 waypoints with a user-defined name, symbol, depth, water temperature, and commentfor each waypoint.Marking Your Present Location as a WaypointComplete an action:• For the GPSMAP 4000 series, select Mark on any screen.• For the GPSMAP 5000 series, touch Mark at the top of the screen.Creating a Waypoint at a Different Location1. From the Home screen, select information > User Data > Waypoints > New Waypoint.2. Indicate the location of the waypoint:• Select Use Chart to move the waypoint while viewing a chart. Select Select.• Select enter Position to move the waypoint using coordinates. Select Done.3. If necessary, you can name the waypoint and provide other information about it. Select the waypoint on theright side of the screen and select Edit Waypoint.• Select Name. Select Done.• Select Symbol. Select a new symbol.